[[From
here]]
SubZero cautiously stepped inside the sun room, "Do you see anything?" SubZero was trained to operate in darkness, but even with the light coming in over head HK still had an advantage over him when it came to detecting things.
There were a lot of obstructions for monsters to hide behind in here, unlike the hallways, which were usually clear of such obstacles.
He did not want to get jumped on by a giant cat, though the monsters in this place seemed to favor attacking HK instead. Another good reason to keep him around.